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# frozen_string_literal: true
class BackfillOperationsFeatureFlagsIid < ActiveRecord::Migration[5.2]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
###
# This should update about 700 rows on gitlab.com
# Execution time is predicted to take less than a second based on #database-lab results
# https://gitlab.com/gitlab-org/gitlab/merge_requests/22175#migration-performance
###
def up
execute('LOCK operations_feature_flags IN ACCESS EXCLUSIVE MODE')
backfill_iids('operations_feature_flags')
change_column_null :operations_feature_flags, :iid, false
end
def down
change_column_null :operations_feature_flags, :iid, true
end
end
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